<head>
  <meta charset="utf-8">
  <title>{{ site.title }} - {{ site.subtitle }}</title>
  <link rel='dns-prefetch' href='//u.zammad.com.cn' />
  <meta http-equip="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <meta name="description" content="{{ site.description }}">
  <link rel="stylesheet" href="{{site.url}}/assets/css/main.css" />
  <link rel="stylesheet" href="{{site.url}}/assets/css/custom-style.css" />
  <link rel="icon" href="{{site.url}}/assets/img/favicon.ico" type="image/gif" sizes="16x16">
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  <script async defer src="https://buttons.github.io/buttons.js"></script>
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  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/all.css"
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  <!-- Including Snipcart -->
  <link rel="stylesheet" href="https://cdn.snipcart.com/themes/v3.0.0-beta.3/default/snipcart.css" />
  <!-- Including InstantSearch.js library and styling -->
  <script src="https://cdn.jsdelivr.net/npm/instantsearch.js@2.6.0/dist/instantsearch.min.js"></script>
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  <link href="https://fonts.googleapis.com/css?family=Quicksand&display=swap" rel="stylesheet">
  <link rel="stylesheet" type="text/css"
    href="https://cdn.jsdelivr.net/npm/instantsearch.js@2.6.0/dist/instantsearch.min.css">
  <link rel="stylesheet" type="text/css"
    href="https://cdn.jsdelivr.net/npm/instantsearch.js@2.6.0/dist/instantsearch-theme-algolia.min.css">

  {% if jekyll.environment == "production" %}

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      })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');

    ga('create', '{{ site.google_analytics }}', 'auto');
    ga('send', 'pageview');
  </script>
  {% endif %}

</head>
